You seem to have a very rigid view of the business world. That is fine, but you are very likely to find yourself to be more effective if you can adopt a more flexible outlook, where you see peoples' competency in their jobs as a continuum rather than black and white, and where you see instructions as conversations rather than rigid honor-bound orders (unless you're in the military). Many have tried to make the organizations around them reflect their rigid prescriptions for how things should be done, and they mostly just succeed in making people dislike working with them.

Maybe it's like that where you work. But if I was the BA and was having to be personally responsible for something I would want to make sure that what I was specifying was actually correct by discussing it with the people who will be doing the work. Because that responsibility cuts both ways.

It would make developers (or anyone doing a job for someone else) lives substantially easier if people behaved the way you think they should, but the reality is that 99% of the time they aren't doing something that most people would consider to be lying, they're just being people.